What's the air quality in South Somerset? NO₂ 5.5 µg/m³

In 2025 the average resident of South Somerset lived with background NO₂ of 5.5 µg/m³, Low for England and Wales and below the WHO guideline of 10. PM2.5 was 7.4 µg/m³, Typical for England and Wales and 1.5 times the WHO guideline of 5. The typical area in England and Wales has NO₂ of 7.2 and PM2.5 of 7.4 µg/m³.

PM2.5
7.4 µg/m³
NO₂ for England and Wales
Low
Figures for
2025 annual average

Modelled background levels averaged over where residents live (Census 2021), not roadside levels. Contains public sector information licensed under the Open Government Licence v3.0. Source: Defra modelled background pollution, 2025. How we calculate this

All house prices in South Somerset
Lower Higher

Is the air quality good in South Somerset?

Background NO₂ in South Somerset is 5.5 µg/m³, below the WHO guideline of 10, and lower than the typical area (7.2). That puts it in the Low band. Background PM2.5 in South Somerset is 7.4 µg/m³, 1.5 times the WHO guideline of 5, and lower than the typical area (7.4). That puts it in the Typical band. Most of England and Wales is above the WHO guideline for PM2.5, so the bands compare places with each other rather than giving a pass or fail.

Nitrogen dioxide (NO₂): 5.5 µg/m³

NO₂ level is Low, on a scale from Very Low to Very High.

Low means the second-lowest fifth of areas in England and Wales for NO₂.

NO₂ bands for areas in England and Wales, in µg/m³, with the map colour for each
Very Lowup to 4.7
Low4.7 to 6.5
Typical6.5 to 7.7
High7.7 to 9.2
Very Highover 9.2

WHO guideline: 10 µg/m³ (in the Very High band). UK legal limit: 40 µg/m³.

Fine particles (PM2.5): 7.4 µg/m³

PM2.5 level is Typical, on a scale from Very Low to Very High.

Typical means the middle fifth of areas in England and Wales for PM2.5.

PM2.5 bands for areas in England and Wales, in µg/m³, with the map colour for each
Very Lowup to 6.0
Low6.0 to 7.2
Typical7.2 to 7.7
High7.7 to 8.2
Very Highover 8.2

WHO guideline: 5 µg/m³ (in the Very Low band). UK legal limit: 20 µg/m³, with a target of 10 µg/m³ in England by 2040.

The bands split every area we cover into fifths by its level, from Very Low to Very High. The map uses the same colours.

Which part of South Somerset has the cleanest air?

Buckland St Mary has the lowest background NO₂ of the 120 areas of South Somerset, at 3.2 µg/m³. Yeovilton and District has the highest, at 8.2 µg/m³. Average house prices are shown alongside, so you can weigh air quality against cost.

Areas of South Somerset by background NO₂, lowest first, with PM2.5 and average house price
AreaNO₂PM2.5Average price
Buckland St MaryVery Low3.26.3£594,375
WambrookVery Low3.36.3—
WhitestauntonVery Low3.46.3£1,575,000
Combe St NicholasVery Low3.66.6£464,583
WayfordVery Low3.86.7£244,000
WinshamVery Low3.96.6£724,483
Cricket St. ThomasVery Low3.96.6£635,000
CudworthVery Low4.16.8—
ChillingtonVery Low4.16.9£750,000
West CrewkerneVery Low4.16.8£486,666
Tatworth and FortonVery Low4.26.7£303,631
Charlton HorethorneVery Low4.37.1£499,625
Corton DenhamVery Low4.37.0—
ChaffcombeVery Low4.46.8£1,004,666
BroadwayVery Low4.46.9£491,500
Pen SelwoodVery Low4.57.2£507,500
Knowle St. GilesVery Low4.56.9£427,500
DinningtonVery Low4.57.1—
Dowlish WakeVery Low4.67.0£391,250
Chard TownVery Low4.66.8£245,392
North PerrottVery Low4.67.1£335,000
Hinton St. GeorgeVery Low4.67.1£610,600
Hardington MandevilleVery Low4.67.1£372,750
KingstoneVery Low4.77.1£340,000
BrewhamVery Low4.77.1£560,000
MistertonVery Low4.77.1£306,525
CucklingtonVery Low4.77.3£825,000
ClosworthVery Low4.77.1—
Milborne PortLow4.77.2£276,920
Charlton MusgroveLow4.77.1£520,000
Abbas and TemplecombeLow4.87.3£277,529
Haselbury PlucknettLow4.87.2£426,461
South Cadbury and Sutton MontisLow4.87.1£671,875
HorsingtonLow4.97.2£655,000
HenstridgeLow4.97.4£286,500
MerriottLow4.97.3£292,792
North CheritonLow4.97.2£369,500
Shepton MontagueLow4.97.2—
West and Middle ChinnockLow4.97.3£251,923
CrewkerneLow4.97.2£246,313
RimptonLow5.07.1£205,000
HortonLow5.06.9£430,576
YarlingtonLow5.07.2£227,000
BeercrocombeLow5.07.1—
East ChinnockLow5.07.2£362,333
AshillLow5.17.0£415,000
Shepton BeauchampLow5.17.4£360,750
ChiselboroughLow5.17.3£362,750
LopenLow5.17.3£430,833
Bratton SeymourLow5.17.2—
HoltonLow5.17.3£425,833
MapertonLow5.17.2£368,000
Curry MalletLow5.17.1£371,500
StocklinchLow5.27.3£480,000
Compton PauncefootLow5.27.2—
IlminsterLow5.27.2£272,861
Stoke TristerLow5.27.3£406,000
BarringtonLow5.27.3£408,525
DonyattLow5.27.0£340,800
Norton sub HamdonLow5.27.4£553,079
Isle AbbottsLow5.27.2£312,500
MontacuteLow5.37.4£289,992
Seavington St MaryLow5.37.3£497,000
PuckingtonLow5.37.3£450,000
KingwestonLow5.37.5—
Kingsbury EpiscopiLow5.37.4£405,416
North CadburyLow5.37.3£559,231
Hambridge and WestportLow5.37.3£400,523
Isle BrewersLow5.37.2£326,500
BarwickLow5.37.3£274,607
High HamLow5.47.4£666,700
IltonLow5.47.2£313,264
Compton DundonLow5.47.4£416,000
Barton St. DavidLow5.47.5£728,000
FiveheadLow5.47.2£420,000
MuchelneyLow5.47.3£198,500
Long LoadLow5.57.5£293,750
PitcombeLow5.57.4£675,000
AllerLow5.57.3£434,000
WhitelackingtonLow5.57.3£570,000
DraytonLow5.57.3£573,750
BrutonLow5.57.4£415,500
WincantonLow5.57.4£266,396
OdcombeLow5.67.3£362,937
Marston MagnaLow5.67.2£361,000
Chilton CanteloLow5.67.3—
PitneyLow5.67.5£422,333
Stoke sub HamdonLow5.67.6£345,865
AshLow5.67.7£271,333
SomertonLow5.67.6£334,544
MartockLow5.77.7£267,131
Long SuttonLow5.77.5£553,500
East CokerLow5.77.4£395,228
North BarrowLow5.77.3£572,500
Castle CaryLow5.77.4£297,290
Curry RivelLow5.77.4£363,078
Chilthorne DomerLow5.77.5£381,750
Keinton MandevilleLow5.77.6£692,727
South BarrowLow5.77.4£537,000
MudfordLow5.77.4£370,125
LovingtonLow5.87.4£250,000
KingsdonLow5.87.5£507,618
Yeovil WithoutLow5.87.6£257,074
AlfordLow5.87.4—
TintinhullLow5.87.5£423,375
South PethertonLow5.87.5£409,704
Charlton MackrellLow5.87.7£380,333
BabcaryLow5.87.5£290,000
West CokerLow5.87.5£330,096
BrymptonLow5.87.6£242,635
AnsfordLow5.97.4£308,598
SparkfordLow6.07.3£417,976
Queen CamelLow6.07.3£383,000
Seavington St MichaelLow6.07.4£184,000
West CamelLow6.07.4£330,333
Huish EpiscopiLow6.47.5£281,916
IlchesterLow6.47.5£214,484
YeovilLow6.47.6£228,871
LangportLow6.57.5£248,928
Yeovilton and DistrictHigh8.27.5£541,600

Levels in µg/m³, 2025 annual average.

How does air quality in South Somerset compare with nearby areas?

Background NO₂ in South Somerset compared with the 3 nearest other areas in Somerset.

Compare South Somerset with a different area

Does this include busy roads?

No. These are background levels: yearly averages over 1 km squares, away from the immediate influence of roads. Right beside a busy road in South Somerset, NO₂ can be much higher. Councils publish roadside monitoring in their annual air quality reports.

What else do people ask about South Somerset?

More quick answers on house prices, sales, areas, green space, crime, air quality and listed buildings in South Somerset.

Where does this data come from?

Price information is from HM Land Registry, location boundaries are from OpenStreetMap, and households and population are from Nomis Census 2021 postcode estimates (21 March 2021). Parks and green space are from OS Open Greenspace. Contains OS data © Crown copyright and database right 2026. Crime is from police.uk street-level data. Contains public sector information licensed under the Open Government Licence v3.0. Source: police.uk. Listed buildings and scheduled monuments are from Historic England and Cadw, and conservation areas from planning.data.gov.uk. © Historic England 2026. Contains Ordnance Survey data © Crown copyright and database right 2026. Source: planning.data.gov.uk, Open Government Licence v3.0. Air quality is from Defra modelled background pollution maps. Contains public sector information licensed under the Open Government Licence v3.0. Source: Defra modelled background pollution, 2025.

Last updated 11 November 2026 at 01:19 with the latest Land Registry data (September 2026). The South Somerset dataset covers 7,607 postcodes.

Read our full data methodology

Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.

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